    New chain ID            Original chain ID

8z5s-pdb-bundle1.pdb:
           A                         1
           B                         2
           C                         3
           D                         4
           E                         5
           F                         6
           G                         7
           H                         m
           I                         n
           J                         o
           K                         p
           L                         q
           M                         r
           N                         s
           O                         t
           P                         u
           Q                         v
           R                         w
           S                         x
           T                         y
           U                         z
           V                         8
           W                        AA
           X                        AB
           Y                        AC
           Z                        AD
           a                        AE
           b                        AF
           c                        AG
           d                        AH
           e                        AI
           f                        AJ
           g                        AK
           h                        AL
           i                        AM
           j                        AN
           k                        AO
           l                         b
           m                         c
           n                         d
           o                         e
           p                         f
           q                         g
           r                         h
           s                         i
           t                         j
           u                         k
           v                         l
